Littelfuse, Inc. 8755 West Higgins Road, Suite 500 Chicago, IL 60631 USA (773) 628-1000 May 17 th, 2018 Littelfuse TVS STD DO-214AB Package Capacity Expansion Notification Letter To: Our Valued Customers In order to support growing demand, Littelfuse SBU (Semiconductor Business Unit) completed TVS STD DO-214AB package capacity expansion qualification. With this new capacity expansion line released, there will have more capacity to support growing demand of TVS STD DO-214AB package. This DO-214AB package backend new line for capacity expansion is installed in Littelfuse Semiconductor Wuxi China, and is planned to have production since June 2018. As rolling change, please expect to receive products manufactured by either current line or new capacity expansion automation line. The affected part numbers as attached excel file, have been fully qualified in accordance with established performance and reliability criteria. The next few pages summarize the qualification results for your reference please. There are no changes on FIT, form, function and reliability of the finished product. Form, fit, function, reliability changes: None Part number changes: None Effective date: June 2018 or sooner Replacement products: N/A Last time buy: N/A This communication letter is for your information and acknowledgement. If you have any other questions or concerns, please contact your local sales team or product team below for further assistance. We highly value your business and look forward to assisting you whenever possible. Sincerely, Jenny Chen Assistant Product Manager Commercial TVS Products Tel: +86 510 85277701 Ext 7779 To: Jchen7@littelfuse.com Those who may concern
2 Littelfuse Semiconductor (Wuxi) Co., Ltd 3# Zhen Fa 6 Road, Wuxi, JiangSu, China, 214142 Product Qualification Report From: Zhihui Chen, Product Engineering, Littelfuse Date: Apr 27th, 2018 Subject: Qualification report for Littelfuse TVS STD DO-214AB capacity expansion project Backend capacity expansion Line Picture Purpose: This report is to inform the successful TVS STD DO-214AB capacity expansion qualification test results. 1. Qualification Types (Test Vehicle) Product Package Product Series Representative Test Sample Part Numbers Assembly Location 1.5SMC6.8A DO-214AB TVS 1.5SMC300CA SMDJ6.0CA Wuxi 1.5SMC170A
3 2. Qualification Test Items and Result Summary Test Category Description Sample P/N Sample Qty Littelfuse test Ref# Contents/Conditions Result Summary 1.5SMC6.8A 207 106592 Parametric Electrical Parameters 1.5SMC300CA 207 106592 1.5SMC170A 207 106592 SMDJ6.0CA 207 106592 VBR, IR 100% meet published spec. Surge out test 10*1000us Surge out Test 1.5SMC6.8A 10 106592 1.5SMC300CA 10 106592 1.5SMC170A 10 106592 SMDJ6.0CA 10 106592 +/- 1 hit, at rated IPP 100% passing at Rated IPP 1.5SMC6.8A 80 106590 Pre-condition (PC) 1.5SMC300CA 80 106593 1.5SMC170A 80 106595 SMD qualification parts for TC,H3TRB 0 failure SMDJ6.0CA 80 106601 1.5SMC6.8A 77 106590 DC Blocking (HTRB) 1.5SMC300CA 77 106593 1.5SMC170A 77 106595 150, DC bias=100% of VR spec 1008hrs SMDJ6.0CA 77 106601 1.5SMC6.8A 30 106590 RSH 1.5SMC300CA 30 106593 1.5SMC170A 30 106595 260,10second 0 failure after RSH Reliability Test Biased Temp & Humidity (H3TRB) SMDJ6.0CA 30 106601 1.5SMC6.8A 40 106590 1.5SMC300CA 40 106593 1.5SMC170A 40 106595 SMDJ6.0CA 40 106601 85, 85%RH DC bias=100% of VR spec 1008hrs 1.5SMC6.8A 40 106590 Autoclave 1.5SMC300CA 40 106593 1.5SMC170A 40 106595 TA=121, RH=100%,2atm 96hrs SMDJ6.0CA 40 106601 1.5SMC6.8A 40 106590 Temp Cycle 1.5SMC300CA 40 106593 1.5SMC170A 40 106595-55 &150 (air to air) 1008hrs SMDJ6.0CA 40 106601
4 3. MTBF Calculation Estimate of Failure Rate, MTBF, FITS for a Given Operation Temperature (See note) Temp % FR/khrs MTBF (K) FITS 30 0.00001 17490735 0.06 55 0.00011 947835 1.1 85 0.00204 49062 20.4 100 0.00749 13344 74.9 125 0.05278 1895 527.8 150 0.29514 339 2951.4 Note: The Mean-Time-Between-Failure (MTBF) in hours and the percent failure rate per 1000 hours (%FR/khr) are computed at a 60% confidence level using the chi square method and the Arrhenius derating model for various junction operating temperatures. For the calculations, a value of 1 ev was used for the activation energy. 4. Conclusion According to the above qualification test results, Littelfuse concluded that TVS STD DO-214AB package capacity expansion project has been fully qualified and released to production.
Vendor LTF PN TTI PN LTF SMCJ5.0A LTFSMCJ5.0A LTF SMCJ6.0A LTFSMCJ6.0A LTF SMCJ7.5A LTFSMCJ7.5A LTF SMCJ10A LTFSMCJ10A LTF SMCJ12A LTFSMCJ12A LTF 1.5SMC13A LTF1.5SMC13A LTF 1.5SMC15A LTF1.5SMC15A LTF SMCJ15A LTFSMCJ15A LTF SMCJ17A LTFSMCJ17A LTF 1.5SMC18A LTF1.5SMC18A LTF 1.5SMC20A LTF1.5SMC20A LTF SMCJ20A LTFSMCJ20A LTF SMCJ22A LTFSMCJ22A LTF SMCJ24A LTFSMCJ24A LTF SMCJ26A LTFSMCJ26A LTF 1.5SMC27A LTF1.5SMC27A LTF SMCJ28A LTFSMCJ28A LTF SMCJ30A LTFSMCJ30A LTF 1.5SMC33A LTF1.5SMC33A LTF SMCJ33A LTFSMCJ33A LTF 1.5SMC36A LTF1.5SMC36A LTF SMCJ36A LTFSMCJ36A LTF 1.5SMC39A LTF1.5SMC39A LTF SMCJ40A LTFSMCJ40A LTF SMCJ43A LTFSMCJ43A LTF SMCJ45A LTFSMCJ45A LTF SMCJ48A LTFSMCJ48A LTF SMCJ54A LTFSMCJ54A LTF SMCJ58A LTFSMCJ58A LTF SMCJ60A LTFSMCJ60A LTF SMCJ64A LTFSMCJ64A LTF SMCJ70A LTFSMCJ70A LTF 1.5SMC91A LTF1.5SMC91A LTF SMCJ100A LTFSMCJ100A LTF SMCJ110A LTFSMCJ110A LTF SMCJ120A LTFSMCJ120A LTF SMCJ130A LTFSMCJ130A LTF SMCJ150A LTFSMCJ150A LTF 1.5SMC170A LTF1.5SMC170A LTF SMCJ200A LTFSMCJ200A LTF SMCJ250A LTFSMCJ250A LTF 1.5SMC300A LTF1.5SMC300A LTF SMDJ5.0A LTFSMDJ5.0A LTF SMDJ12A LTFSMDJ12A LTF SMDJ15A LTFSMDJ15A LTF SMDJ18A LTFSMDJ18A
LTF SMDJ17A LTFSMDJ17A LTF SMDJ24A LTFSMDJ24A LTF SMDJ26A LTFSMDJ26A LTF SMDJ28A LTFSMDJ28A LTF SMDJ33A LTFSMDJ33A LTF SMDJ36A LTFSMDJ36A LTF SMDJ40A LTFSMDJ40A LTF SMDJ43A LTFSMDJ43A LTF SMDJ48A LTFSMDJ48A LTF SMDJ51A LTFSMDJ51A LTF SMDJ54A-T7 LTFSMDJ54A-T7 LTF SMDJ58A LTFSMDJ58A LTF SMDJ70A LTFSMDJ70A LTF SMDJ75A LTFSMDJ75A LTF SMCJ6.0CA LTFSMCJ6.0CA LTF SMCJ6.5CA LTFSMCJ6.5CA LTF 1.5SMC6.8CA LTF1.5SMC6.8CA LTF SMCJ7.0CA LTFSMCJ7.0CA LTF SMCJ9.0CA LTFSMCJ9.0CA LTF SMCJ10CA LTFSMCJ10CA LTF SMCJ11CA LTFSMCJ11CA LTF SMCJ12CA LTFSMCJ12CA LTF SMCJ13CA LTFSMCJ13CA LTF SMCJ14CA LTFSMCJ14CA LTF SMCJ15CA LTFSMCJ15CA LTF SMCJ17CA LTFSMCJ17CA LTF SMCJ18CA LTFSMCJ18CA LTF SMCJ20CA LTFSMCJ20CA LTF SMCJ22CA LTFSMCJ22CA LTF SMCJ24CA LTFSMCJ24CA LTF SMCJ26CA LTFSMCJ26CA LTF SMCJ28CA LTFSMCJ28CA LTF SMCJ30CA LTFSMCJ30CA LTF 1.5SMC33CA LTF1.5SMC33CA LTF SMCJ33CA LTFSMCJ33CA LTF SMCJ36CA LTFSMCJ36CA LTF 1.5SMC39CA LTF1.5SMC39CA LTF SMCJ40CA LTFSMCJ40CA LTF 1.5SMC43CA LTF1.5SMC43CA LTF SMCJ43CA LTFSMCJ43CA LTF SMCJ45CA LTFSMCJ45CA LTF SMCJ48CA LTFSMCJ48CA LTF SMCJ51CA LTFSMCJ51CA LTF SMCJ54CA LTFSMCJ54CA LTF SMCJ58CA LTFSMCJ58CA LTF SMCJ60CA LTFSMCJ60CA LTF 1.5SMC62CA LTF1.5SMC62CA
LTF SMCJ70CA LTFSMCJ70CA LTF 1.5SMC75CA LTF1.5SMC75CA LTF SMCJ75CA LTFSMCJ75CA LTF SMCJ78CA LTFSMCJ78CA LTF SMCJ90CA LTFSMCJ90CA LTF SMCJ100CA LTFSMCJ100CA LTF SMCJ120CA LTFSMCJ120CA LTF SMCJ130CA LTFSMCJ130CA LTF SMCJ150CA LTFSMCJ150CA LTF SMCJ160CA LTFSMCJ160CA LTF SMCJ200CA LTFSMCJ200CA LTF 1.5SMC250CA LTF1.5SMC250CA LTF SMCJ250CA LTFSMCJ250CA LTF 1.5SMC300CA LTF1.5SMC300CA LTF SMDJ5.0CA LTFSMDJ5.0CA LTF SMDJ6.0CA LTFSMDJ6.0CA LTF SMDJ6.0CA-T7 LTFSMDJ6.0CA-T7 LTF SMDJ12CA LTFSMDJ12CA LTF SMDJ15CA LTFSMDJ15CA LTF SMDJ16CA LTFSMDJ16CA LTF SMDJ17CA LTFSMDJ17CA LTF SMDJ18CA LTFSMDJ18CA LTF SMDJ20CA LTFSMDJ20CA LTF SMDJ22CA LTFSMDJ22CA LTF SMDJ26CA LTFSMDJ26CA LTF SMDJ28CA LTFSMDJ28CA LTF SMDJ30CA LTFSMDJ30CA LTF SMDJ33CA LTFSMDJ33CA LTF SMDJ36CA LTFSMDJ36CA LTF SMDJ40CA LTFSMDJ40CA LTF SMDJ43CA LTFSMDJ43CA LTF SMDJ45CA LTFSMDJ45CA LTF SMDJ48CA LTFSMDJ48CA LTF SMDJ58CA LTFSMDJ58CA LTF SMDJ60CA LTFSMDJ60CA LTF SMDJ75CA LTFSMDJ75CA LTF SMDJ85CA LTFSMDJ85CA LTF SMDJ100CA LTFSMDJ100CA LTF SMDJ120CA LTFSMDJ120CA LTF SMDJ130CA LTFSMDJ130CA